NWBA: Varies from eight to 18 players per team

Shot clock

NBA: 24 seconds

NWBA: 30 seconds

Game breakdown

NBA: 12-minute quarters

NWBA: 20-minute halves

Double dribble?

NBA: Yes

NWBA: No. Players must dribble once every two pushes. Otherwise, it's a traveling violation.

Signature play

NBA: Alley-oop. Doesn't get any easier than throwing it up to rim and letting a teammate slam it down.

NWBA: Pick and roll. "The pick and roll is deadly because you create a numbers situation and get layups," said Dave Radbel, star player for the Wheelchair Bulls.

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